TY  - BOOK
AU  - Roy, A. 
AU  - Sharma, P.L. 
TI  - English for students of science
SN  - 9788125003953
U1  - 410.151 R8121e 
PY  - 1991///
CY  - Hyderabad
PB  - Orient Longman
KW  - English language
KW  - Composition and exercises
ER  -